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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CHROMEOS_OPTIONS_TAKE_PHOTO_DIALOG_H_
#define CHROME_BROWSER_CHROMEOS_OPTIONS_TAKE_PHOTO_DIALOG_H_
#pragma once
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/observer_list.h"
#include "chrome/browser/chromeos/login/camera_controller.h"
#include "chrome/browser/chromeos/login/take_photo_view.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/views/window/dialog_delegate.h"
namespace views {
class View;
}
namespace chromeos {
// A dialog box for taking new user picture.
class TakePhotoDialog : public views::DialogDelegateView,
public TakePhotoView::Delegate,
public CameraController::Delegate,
public content::NotificationObserver {
public:
class Delegate {
public:
virtual ~Delegate() {}
// Called when user accepts the photo.
virtual void OnPhotoAccepted(const SkBitmap& photo) = 0;
};
explicit TakePhotoDialog(Delegate* delegate);
virtual ~TakePhotoDialog();
// views::DialogDelegateView overrides.
virtual bool IsDialogButtonEnabled(ui::DialogButton button) const OVERRIDE;
virtual bool Cancel() OVERRIDE;
virtual bool Accept() OVERRIDE;
// views::WidgetDelegate overrides.
virtual ui::ModalType GetModalType() const OVERRIDE;
virtual views::View* GetContentsView() OVERRIDE;
// views::View overrides.
virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
// TakePhotoView::Delegate overrides.
virtual void OnCapturingStarted() OVERRIDE;
virtual void OnCapturingStopped() OVERRIDE;
// CameraController::Delegate implementation:
virtual void OnCaptureSuccess() OVERRIDE;
virtual void OnCaptureFailure() OVERRIDE;
// Interface that observers of this dialog must implement in order
// to receive notification for capture success/failure.
class Observer {
public:
// Called when image is captured and is displayed
virtual void OnCaptureSuccess(
TakePhotoDialog* dialog,
TakePhotoView* view) = 0;
// Called when capture fails and error image is displayed
virtual void OnCaptureFailure(
TakePhotoDialog* dialog,
TakePhotoView* view) = 0;
// Called when capture is stopped and image is not being updated
virtual void OnCapturingStopped(
TakePhotoDialog* dialog,
TakePhotoView* view) = 0;
protected:
virtual ~Observer() {}
};
void AddObserver(Observer* obs);
void RemoveObserver(Observer* obs);
void NotifyOnCaptureSuccess();
void NotifyOnCaptureFailure();
void NotifyOnCapturingStopped();
// content::NotificationObserver implementation:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
protected:
// views::View overrides:
virtual void Layout() OVERRIDE;
virtual gfx::Size GetPreferredSize() OVERRIDE;
private:
// Starts initializing the camera and shows the appropriate status on the
// screen.
void InitCamera();
TakePhotoView* take_photo_view_;
CameraController camera_controller_;
content::NotificationRegistrar registrar_;
Delegate* delegate_;
ObserverList<Observer> observer_list_;
DISALLOW_COPY_AND_ASSIGN(TakePhotoDialog);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_OPTIONS_TAKE_PHOTO_DIALOG_H_
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